4. Telecommunications
  5. Radiotelephone system
  6. Zoned or cellular telephone system

Kwok K. Choi

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Method and apparatus for remotely retrieving messages intended f

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Method for determining available frequencies in selective call r

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent

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Profile ID: LFUS-PAI-P-870763

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